{}
{ COMMON DECK FMHLNOC }
{}
{  The purpose of this request is to establish a named file
{entry in the local name table. If the file already exists
{then a call to mmp$open_segment is issued. If the file does
{not exist a call to create_job_file is issued prior to the
{mmp$open_segment.
{
{
{
{     FMP$LN_OPEN_CHAPTER (LOCAL_FILE_NAME, CHAPTER_NUMBER, VALIDATION_RING,
{               SEGMENT_ATTRIBUTES, POINTER_KIND, SEGMENT_POINTER,
{               STATUS)
{
{
{ LOCAL_FILE_NAME (input): this parameter specifies the local file name
{                     to be associated with the file.
{
{ CHAPTER_NUMBER (input): this parameter specifies the chapter
{                         number to associate with this instance of
{                         the file.
{
{ VALIDATION_RING (input): this parameter is used to validate access
{                          by the user of the file.
{
{ SEGMENT_ATTRIBUTES (input): this parameter specifies a set of hardware
{                             and software attributes to associate with
{                             the file.
{
{ POINTER_KIND (input): this parameter specifies the type of pointer
{                       (cell, heap, seq) to be returned.
{
{ SEGMENT_POINTER (output): this parameter returns the requested
{                          pointer.
{
{ STATUS (output): this parameter returns the request status.
